Phthalic Hydrazide

Name: Phthalic Hydrazide
Brand: Zemixal
SKU: ZX-025992

Reference StandardAvailable on request

Buy Phthalic Hydrazide (CAS 1445-69-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-025992.

Pack sizes

CAS number1445-69-8

FormulaC₈H₆N₂O₂

Molar mass162.15 g/mol

Physical formSolid

HS code38229090

InChIKeyKGLPWQKSKUVKMJ-UHFFFAOYSA-N

IUPAC name2,3-dihydrophthalazine-1,4-dione

About Phthalic Hydrazide

Analytical teams working on Rivaroxaban use Phthalic Hydrazide as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 1445-69-8, formula C8H6N2O2 and molar mass 162.15 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Rivaroxaban

See every impurity, metabolite and related compound we list for this API.

Rivaroxaban standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Phthalic Hydrazide
Product name	Phthalic Hydrazide
Catalogue number	ZX-025992
CAS number	1445-69-8
IUPAC name	2,3-dihydrophthalazine-1,4-dione
Molecular formula	C₈H₆N₂O₂
Molar mass	162.15 g/mol
Exact mass	162.0429
Grade	Reference Standard
Physical form	Solid
XLogP3	0.9
H-bond donors / acceptors	2 / 2
Topological polar surface area	58.2 Å²
HS code	38229090
InChIKey	KGLPWQKSKUVKMJ-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)NNC2=O
PubChem CID	219401
Synonyms	Phthalhydrazide, 2,3-Dihydro-1,4-phthalazinedione, 1,4-Phthalazinedione, 2,3-dihydro-, 1,4-Phthalazinediol, 2,3-DHPD, Phthalocyclohydrazide, 1,2,3,4-tetrahydrophthalazine-1,4-dione, phthalazine-1,4-diol, Phthalazine-1,4(2H,3H)-dione, 4-hydroxyphthalazin-1(2H)-one, 2,3-dihydro-phthalazine-1,4-dione, 1,4-Dioxo-1,2,3,4-tetrahydrophthalazine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Phthalic Hydrazide
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Phthalic Hydrazide

Which CAS number identifies Phthalic Hydrazide?

Phthalic Hydrazide is registered under CAS 1445-69-8. You may also see it listed as Phthalhydrazide, 2,3-Dihydro-1,4-phthalazinedione, 1,4-Phthalazinedione, 2,3-dihydro-. Our catalogue number for this item is ZX-025992.

What are the formula and molar mass of Phthalic Hydrazide?

For Phthalic Hydrazide, its formula is C8H6N2O2 and its molar mass is 162.15 g/mol. The systematic (IUPAC) name is 2,3-dihydrophthalazine-1,4-dione. InChIKey KGLPWQKSKUVKMJ-UHFFFAOYSA-N lets you match it in any structure database.

How is Phthalic Hydrazide used in pharmaceutical QC?

Phthalic Hydrazide is a characterised reference material linked to Rivaroxaban. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Phthalic Hydrazide?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Phthalic Hydrazide?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Phthalic Hydrazide to my country?

Yes. Because Phthalic Hydrazide is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Rivaroxaban standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list